[MWForum]power vs exp

[Jeff Knope]

Hey,

The operative word there was "clarify."

--Jeff



----- Original Message ----- 
From: "Daniel Ajoy" <dajoy@openworldlearning.org>
To: <mwforum@lists.mathcats.com>
Sent: Friday, April 22, 2005 6:58 PM
Subject: RE: [MWForum]power vs exp


> On 22 Apr 2005 at 20:47, Wendy Petti wrote:
>
>> http://www.ndt-ed.org/EducationResources/Math/Math-e.htm
>>
>> The constant e figures into bell-shaped curves, among other things, just 
>> as
>> the constant pi figures into circles.
>
>
> to bellcurve :x :mu :sigma
> output 1 / (:sigma * sqrt 2 * pi) * exp -0.5 * power ((:x - :mu) / :sigma) 
> 2
> end
>
> to plot
> cg pu
> dotimes [i 400] [
> let [x 3 * (:i - 200) / 200]
> let [y bellcurve :x 0 1]
> setpos list 100 * :x 400 * :y
> pd
> ]
> end
>
>
> Daniel
>
>
>
>
>
> *****************************
> OpenWorld Learning
> http://www.openworldlearning.org
>
>
> _______________________________________________
> MWForum mailing list
> MWForum@lists.mathcats.com
> http://lists.mathcats.com/mailman/listinfo/mwforum
> Attachments archived at:
> http://www.mathcats.com/mwforum/attachments.html
> To unsubscribe or for administrative questions contact
> mailto:mwforum-admin@lists.mathcats.com
>